pullover

Short definition from Wiktionary

Noun

1. 1
   A sweater that must be put on by pulling it over the head; a sweater without buttons or a zipper in front.
2. 2
   An exercise performed lying on the back in which the arms are extended behind the head and exertion lifts the weight above the head.
3. 3
   An exercise in which the gymnast pulls up from a hang lifting the legs up and over the bar thus rolling into a support position.
4. 4
   An instance of a vehicle being pulled over.